Whistle



FIG. 1. Is a perspective view of an embodiment of my whistle design;

FIG. 2. Is a front view thereof;

FIG. 3. Is a rear view thereof;

FIG. 4. Is a left side view thereof;

FIG. 5. Is a right side view thereof;

FIG. 6 is a top view thereof; and,

FIG. 7 is a bottom view thereof.

The broken lines in the drawings show environment that forms no part of the claimed design. 

CLAIM I claim the ornamental design for my whistle design, as shown and described herein. 